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Inventories, net (Tables)
6 Months Ended
Jun. 30, 2015
Inventory Disclosure [Abstract]  
Inventories

Inventories consist of (in millions):

 

     June 30,
2015
     December 31,
2014
 

Raw materials and supplies

   $ 1,227       $ 1,255   

Work in process

     982         1,027   

Finished goods and purchased products

     3,185         2,999   
  

 

 

    

 

 

 

Total

   $ 5,394       $ 5,281